<template>
<div class="video-player vjs-custom-skin">
    <video class="video-js"></video>
</div>
</template>

<script>
// ref
import videojs from 'video.js'
import 'video.js/dist/video-js.css'
export default {
    name: 'video-player',

    props: {
        options: {
            type: Object,
            required: true
        },
        start: {
            type: Number,
            default: 0
        },
        playsinline: {
            type: Boolean,
            default: false
        },
        customEventName: {
            type: String,
            default: 'statechanged'
        }
    },

    mounted() {
        if (!this.player) {
            this.initialize()
        }
    },
    beforeDestroy() {
        if (this.player) {
            this.dispose()
        }
    },
    methods: {
        initialize() {
            // init
            var self = this
            this.player = null
            // videojs options
            var videoOptions = Object.assign({
                autoplay: false,
                controls: true,
                preload: 'auto',
                fluid: false,
                muted: false,
                width: '100%',
                height: '360',
                language: 'en',
                controlBar: {
                    remainingTimeDisplay: false,
                    playToggle: {},
                    progressControl: {},
                    fullscreenToggle: {},
                    volumeMenuButton: {
                        inline: false,
                        vertical: true
                    }
                },
                techOrder: ['html5'],
                plugins: {}
            }, this.options)
            // check sources
            /*
            if (!videoOptions.sources || !videoOptions.sources.length) {
              console.warn('Missing required option: "sources".')
              return false
            }
            */
            // ios fullscreen
            var playsinline = this.playsinline
            if (playsinline) {
                this.$el.children[0].setAttribute('playsinline', playsinline)
                this.$el.children[0].setAttribute('webkit-playsinline', playsinline)
            }
            // emit event
            var emitPlayerState = function(event, value) {
                if (event) {
                    self.$emit(event, self.player)
                }
                if (value) {
                    var values = {}
                    values[event] = value
                    self.$emit(self.customEventName, values)
                }
            }
            // videoOptions
            // console.log(videoOptions)
            // avoid error "VIDEOJS: ERROR: Unable to find plugin: __ob__"
            if (videoOptions.plugins) {
                delete videoOptions.plugins.__ob__
            }

            this.player = videojs(this.$el.children[0], videoOptions, function() {
                // player readied
                var _this = this
                self.$emit('ready', self.player)
                // events
                var events = ['loadeddata',
                    'canplay',
                    'canplaythrough',
                    'play',
                    'pause',
                    'waiting',
                    'playing',
                    'ended',
                    'error'
                ]
                for (var i = 0; i < events.length; i++) {
                    (function(event) {
                        _this.on(event, function() {
                            emitPlayerState(event, true)
                        })
                    })(events[i])
                }
                this.on('timeupdate', function() {
                    emitPlayerState('timeupdate', this.currentTime())
                })
            })
        },
        dispose() {
            if (this.player && videojs) {
                if (this.player.techName_ !== 'Flash') {
                    this.player.pause && this.player.pause()
                }
                videojs(this.$el.children[0]).dispose()
                if (!this.$el.children.length) {
                    var video = document.createElement('video')
                    video.className = 'video-js'
                    this.$el.appendChild(video)
                }
                this.player = null
            }
        }
    },
    watch: {
        options: {
            deep: true,
            handler: function(options, oldOptions) {
                this.dispose()
                if (options && options.sources && options.sources.length) {
                    this.initialize()
                }
            }
        }
    }
}
</script>
<style lang="less">
.vjs-custom-skin > .video-js {
    width: 100%;
    font-family: "PingFang SC","Helvetica Neue","Hiragino Sans GB","Segoe UI","Microsoft YaHei","微软雅黑",sans-serif;
}
.video-js.vjs-no-flex .vjs-menu-button-inline,
.vjs-custom-skin > .video-js .vjs-menu-button-inline.vjs-slider-active,
.vjs-custom-skin > .video-js .vjs-menu-button-inline:focus,
.vjs-custom-skin > .video-js .vjs-menu-button-inline:hover {
    width: 10em;
}

.vjs-custom-skin > .video-js .vjs-controls-disabled .vjs-big-play-button {
    display: none!important;
}

.vjs-custom-skin > .video-js .vjs-control {
    width: 3em;
}

.vjs-custom-skin > .video-js .vjs-control.vjs-live-control {
    width: auto;
    padding-left: 0.5em;
    letter-spacing: 0.1em;
}
.vjs-custom-skin > .video-js .vjs-menu-button-inline:before {
    width: 1.5em;
}

.vjs-menu-button-inline .vjs-menu {
    left: 3em;
}

.video-js.vjs-ended .vjs-big-play-button,
.video-js.vjs-paused .vjs-big-play-button,
.vjs-paused.vjs-has-started.vjs-custom-skin > .video-js .vjs-big-play-button {
    display: block;
}

.vjs-custom-skin > .video-js .vjs-load-progress div,
.vjs-seeking .vjs-big-play-button,
.vjs-waiting .vjs-big-play-button {
    display: none!important;
}
.vjs-custom-skin > .video-js .vjs-mouse-display:after,
.vjs-custom-skin > .video-js .vjs-play-progress:after {
    padding: 0 0.4em 0.3em;
}

.video-js.vjs-ended .vjs-loading-spinner {
    display: none;
}

.video-js.vjs-ended .vjs-big-play-button {
    display: block !important;
}

.video-js.vjs-ended .vjs-big-play-button,
.video-js.vjs-paused .vjs-big-play-button,
.vjs-paused.vjs-has-started.vjs-custom-skin > .video-js .vjs-big-play-button {
    display: block;
}

.vjs-custom-skin > .video-js .vjs-big-play-button {
    top: 50%;
    left: 50%;
    margin-left: -1.5em;
    margin-top: -1em;
}

.vjs-custom-skin > .video-js .vjs-big-play-button {
    background-color: rgba(0,0,0,0.45);
    font-size: 3.5em;
    border-radius: 50%;
    height: 3em !important;
    line-height: 3em !important;
    margin-top: -1.5em !important;
}
.video-js:hover .vjs-big-play-button,
.vjs-custom-skin > .video-js .vjs-big-play-button:active,
.vjs-custom-skin > .video-js .vjs-big-play-button:focus {
    background-color: rgba(36,131,213,0.9);
}

.vjs-custom-skin > .video-js .vjs-loading-spinner {
    border-color: rgba(36,131,213,0.8);
}

.vjs-custom-skin > .video-js .vjs-control-bar2 {
    background-color: #000000;
}

.vjs-custom-skin > .video-js .vjs-control-bar {
    /*background-color: rgba(0,0,0,0.3) !important;*/
    color: #ffffff;
    font-size: 14px;
}

.vjs-custom-skin > .video-js .vjs-play-progress,
.vjs-custom-skin > .video-js .vjs-volume-level {
    background-color: #2483d5;
}
.vjs-custom-skin > .video-js .vjs-play-progress:before {
    top: -0.3em;
}
.vjs-custom-skin > .video-js .vjs-progress-control:hover .vjs-progress-holder {
    font-size: 1.3em;
}

.vjs-menu-button-popup.vjs-volume-menu-button-vertical .vjs-menu {
    left: 0;
}

.vjs-custom-skin > .video-js .vjs-menu li {
    padding: 0;
    line-height: 2em;
    font-size: 1.1em;
    font-family: "PingFang SC","Helvetica Neue","Hiragino Sans GB","Segoe UI","Microsoft YaHei","微软雅黑",sans-serif;
}
.vjs-custom-skin > .video-js .vjs-mouse-display:after,
.vjs-custom-skin > .video-js .vjs-play-progress:after,
.vjs-custom-skin > .video-js .vjs-time-tooltip {
    border-radius: 0;
    font-size: 1em;
    padding: 0;
    width: 3em;
    height: 1.5em;
    line-height: 1.5em;
    top: -3em;
}

.vjs-custom-skin > .video-js .vjs-menu-button-popup .vjs-menu {
    width: 5em;
    left: -1em;
}

.vjs-custom-skin > .video-js .vjs-menu-button-popup.vjs-volume-menu-button-vertical .vjs-menu {
    left: 0;
}

.vjs-custom-skin > .video-js .vjs-control-bar .vjs-resolution-button .vjs-menu {
    /*order: 4;*/
}

/*排序顺序*/
.vjs-custom-skin > .video-js .vjs-control-bar .vjs-play-control {
    order: 0;
}

.vjs-custom-skin > .video-js .vjs-control-bar .vjs-time-control {
    min-width: 1em;
    padding: 0;
    margin: 0 0.1em;
    text-align: center;
    display: block;
    order: 1;
}

.vjs-custom-skin > .video-js .vjs-control-bar .vjs-playback-rate .vjs-playback-rate-value {
    font-size: 1.2em;
    line-height: 2.4;
}

.vjs-custom-skin > .video-js .vjs-progress-control.vjs-control {
    order: 2;
}

.vjs-custom-skin > .video-js .vjs-control-bar .vjs-volume-menu-button {
    order: 3;
}

.vjs-custom-skin > .video-js .vjs-control-bar .vjs-resolution-button {
    order: 4;
}

.vjs-custom-skin > .video-js .vjs-control-bar .vjs-resolution-button .vjs-resolution-button-label {
    display: block;
    line-height: 3em;
}

.vjs-custom-skin > .video-js .vjs-control-bar .vjs-playback-rate {
    order: 5;
}

.vjs-custom-skin > .video-js .vjs-control-bar .vjs-fullscreen-control {
    order: 6;
}
</style>
